Islet Cell Antibody Test: Booking, Price, and Results
About Islet Cell Antibody Test: Booking, Price, and Results
| Field | Value |
|---|---|
| Also Known As | ICA Test, Islet Cell Cytoplasmic Autoantibodies Test, Anti-Islet Cell Antibody Test, Antipancreatic Islet Cells Test |
| Sample Type | Venous blood (serum) |
| Fasting Required | No |
| Report Time | 7 to 10 business days |
| Recommended For | All ages; commonly ordered for children, adolescents, and adults with suspected autoimmune diabetes |
| Price | Starting at ₹1,300 |
What Is an Islet Cell Antibody Test?
The islet cell antibody test checks the blood for autoantibodies directed against the insulin-producing cells of the pancreas. A doctor may order it when they suspect that diabetes is caused by the immune system attacking the body's own cells. Also called the ICA test or islet cell cytoplasmic autoantibody test, it requires a simple blood draw from a vein.
What Does an Islet Cell Antibody Test Measure?
The ICA test detects a group of autoantibodies that target proteins within the islet cells of the pancreas. The test measures the presence or absence of these antibodies in the blood.
| Parameter | What It Shows |
|---|---|
| Islet Cell Cytoplasmic Autoantibodies (ICA) | Whether the immune system is producing antibodies against pancreatic islet cells, which can signal autoimmune diabetes |
Why Is an Islet Cell Antibody Test Done?
A doctor may request this test for several reasons, from evaluating current symptoms to clarifying an unclear diabetes diagnosis.
Common Symptoms That May Require This Test
The following symptoms may prompt a doctor to order an islet cell antibody test:
- Excessive thirst that does not resolve with normal fluid intake
- Frequent urination, especially at night
- Unexplained weight loss over a short period
- Extreme and persistent hunger
- Fatigue or general lack of energy
Conditions This Test Can Help Detect
This test can help identify the following conditions:
- Type 1 diabetes mellitus: A condition where the immune system destroys insulin-producing beta cells in the pancreas; the ICA test helps distinguish it from other forms of diabetes
- Latent Autoimmune Diabetes in Adults (LADA): An autoimmune condition that begins in adulthood and is often misdiagnosed as type 2 diabetes; the presence of islet antibodies helps identify it correctly
- Other autoimmune endocrine disorders, such as Hashimoto's thyroiditis or autoimmune Addison's disease, in which islet autoantibodies may also appear
How to Prepare and What to Expect
Preparation for this test is minimal, but a few steps can help make the process smooth.
Do You Need to Fast?
No, fasting is not required before the islet cell antibody test. You can eat and drink normally before your appointment.
If your doctor has also ordered other blood tests alongside this one, some of those may require fasting. Check with your doctor or the collection team when booking.
Practical Tips Before Your Test
Keep these points in mind before your test:
- Continue all prescribed medications as usual and inform the laboratory staff of any recent immunisations or immunotherapy.
- If insulin autoantibody testing has also been requested, it is preferable to draw the blood sample before starting insulin therapy.
- Drink adequate water before your appointment to stay well-hydrated.
- Wear a loose-fitting top or short-sleeved clothing for easy access to your arm.
Step-by-Step Procedure
The blood collection process is quick and straightforward. Here is what to expect:
- A trained phlebotomist will ask you to sit comfortably and will clean the inner elbow area with an antiseptic solution.
- An elastic band (tourniquet) is placed around your upper arm to make the veins easier to locate.
- A small needle is gently inserted into a vein to draw the required blood sample.
- The tourniquet is removed, and a small cotton pad is pressed over the site to stop any minor bleeding.
- The collected blood is processed promptly, with the serum separated from the cells within two hours of collection.
- The sample is dispatched to a specialised laboratory, where it is analysed using immunofluorescence techniques.
Factors That Can Affect Accuracy
Several factors may influence the accuracy of your ICA test result:
- Recent vaccinations or immunisations prior to the test
- Use of radioisotopes for recent medical imaging procedures
- Certain medications or ongoing immune treatments
- Improper or delayed sample handling after collection
- The specific methodology used by the testing laboratory
Understanding Your Islet Cell Antibody Test Results
Results from this test should always be reviewed in context with your symptoms, medical history, and other investigations. A positive or negative result alone is not sufficient for a diagnosis.
| Parameter | Positive Result | Negative Result |
|---|---|---|
| Islet Cell Antibody (ICA) | Antibodies detected; suggests autoimmune activity against islet cells | No antibodies detected; autoimmune activity unlikely |
A positive result is found in approximately 70 to 80% of people with newly diagnosed type 1 diabetes. In people without any symptoms, a positive result may indicate an increased future risk of developing type 1 diabetes. A negative result makes type 1 diabetes less likely, though in rare cases, a person with type 1 diabetes may never develop detectable levels of these antibodies.
These ranges are general guidelines. Your doctor will interpret your results based on your age, health history, and other factors. Always consult a qualified healthcare professional for personalised medical advice.
Results During Special Conditions
Certain health conditions and medications can influence the outcome of this test. Other autoimmune diseases, for example, may produce a positive result even in the absence of diabetes. Always inform your doctor about any existing conditions or treatments before testing, so that results can be interpreted accurately.
How to Maintain Healthy Levels
While autoantibody levels cannot be controlled through lifestyle alone, these general tips support overall metabolic health:
- Eat a balanced diet that includes vegetables, whole grains, and lean protein and limits processed foods and added sugar.
- Stay physically active with regular moderate exercise, such as walking or cycling.
- If you have a family history of type 1 diabetes, speak with your doctor about whether periodic screening is appropriate for you.
Lupin Diagnostics Islet Cell Antibody Test Price and Home Collection
The islet cell antibody test is available at Lupin Diagnostics with home sample collection across major Indian cities. Approximate prices are listed below.
| City | Approximate Price (₹) |
|---|---|
| Mumbai | ₹1,300 |
| Bangalore | ₹1,300 |
| Hyderabad | ₹1,300 |
| Chennai | ₹1,300 |
| Kolkata | ₹1,300 |
| Pune | ₹1,300 |
Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
Follow these steps to book your test:
- Select the test on the Lupin Diagnostics website.
- Choose your city and preferred time slot.
- Opt for home sample collection by a certified phlebotomist, or visit your nearest Lupin Diagnostics centre.
- Receive your report via email or WhatsApp within the stipulated turnaround time.
Home Collection
Lupin Diagnostics offers home sample collection for the ICA test across cities, so you can get tested from the comfort of your home. All samples are processed in NABL-accredited laboratories by experienced technologists. Your digital report is delivered via email or WhatsApp once ready.
Frequently Asked Questions
The islet cell antibody test is primarily used to determine whether diabetes is caused by an autoimmune process. It helps doctors distinguish type 1 diabetes from other forms of diabetes and can also identify LADA in adults who have been incorrectly diagnosed with type 2 diabetes.
Yes, to a degree. If islet cell antibodies are detected in a person without current diabetes symptoms, it indicates a higher risk of developing type 1 diabetes in the future. People with two or more islet autoantibodies carry a significantly elevated five-year risk, and those with three or more have an even higher risk approaching 100% over that period.
No fasting is needed before the islet cell antibody test. You can eat and drink as normal. If other tests have been ordered at the same time, check with your doctor whether those require fasting.
A negative result does not rule out all forms of diabetes. Most people with new-onset type 1 diabetes will have at least one detectable islet autoantibody, but not all will. Your doctor may recommend additional tests, such as HbA1c or C-peptide, to further assess your condition.
Preferably yes. First-degree relatives of people with type 1 diabetes are at a higher risk of developing the condition themselves. Islet cell antibodies have been detected in this group before symptoms appear. Speak with your doctor about whether screening is appropriate given your personal and family history.
Testing for at least two autoantibodies together generally improves diagnostic accuracy. Doctors often combine the ICA test with other tests such as Glutamic Acid Decarboxylase Antibody (GADA), Islet Antigen-2 Autoantibody (IA-2A), or Zinc Transporter 8 Antibody. Your doctor will decide which combination suits your clinical picture.
LADA (Latent Autoimmune Diabetes in Adults) is a form of autoimmune diabetes that develops slowly in adulthood. Since its symptoms appear gradually, it is often mistaken for type 2 diabetes. The islet cell cytoplasmic autoantibody test can identify LADA by detecting autoantibodies that are absent in true type 2 diabetes, helping to ensure appropriate treatment is given.
Islet Cell Antibody Test: Booking, Price, and Results
